Kubota LA243A - Hydraulic Fittings; Adaptors, Elbows and Others

GENERAL
BX1870,BX2370,BX2670,LA203A,LA243A,RCK48(P),RCK54(P),RCK60B,RCK60D,RCK54D, WSM
G-16
[7] HYDRAULIC FITTINGS
(1) Adaptors, Elbows and Others
NOTE
• When connecting a hose with flare nut, after tightening the nut with specified torque, return it
approximately 45 degrees (0.79 rad) and re-tighten it to specified torque.
WSM000001GEG0010US0
Item Shape Thread size
Tightening torque
N·m kgf·m lbf·ft
Adjustable elbow,
Adapter (O-ring port)
(UNF)
[A] Nut Type
[B] No Nut Type
a: O-ring
7/16 18.0 to 20.0 1.84 to 2.03 13.3 to 14.7
9/16 37.0 to 44.0 3.78 to 4.48 27.3 to 32.4
3/4 48.0 to 54.0 4.90 to 5.50 35.4 to 39.8
7/8 77.0 to 85.0 7.86 to 8.66 56.8 to 62.6
Hose fitting, Flare nut
(UNF)
9/16
22.0 to 25.0 2.2 to 2.5 16.0 to 19.0
3/4
36.0 to 40.0 3.67 to 4.07 26.6 to 29.5
7/8
43.0 to 50.0 4.39 to 5.09 31.8 to 36.8
1 1/16
107 to 119 11.0 to 12.1 79.0 to 87.7
Adapter (NPT)
1/4
30.0 to 50.0 3.06 to 5.09 22.2 to 36.8
3/8
39.0 to 60.0 3.98 to 6.11 28.8 to 44.2
1/2
49.0 to 58.0 5.00 to 5.91 36.2 to 42.7
Grease Fitting
1/8
4.1 to 6.7 0.42 to 0.68 3.1 to 4.9
1/4
4.1 to 6.7 0.42 to 0.68 3.1 to 4.9
KiSC issued 02, 2017 A